My Inquiry
My Account
NXP Semiconductors S912XEQ512BMAGR
- Part No.:
- S912XEQ512BMAGR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
S912XEQ512BMAGR.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,991
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
S912XEQ512BMAGR from NXP Semiconductors (formerly Freescale) is a 16-bit automotive microcontroller featuring the CPU12X core, 512 KB on-chip Flash memory with ECC, 32 KB RAM, and integrated MSCAN, XGATE co-processor, and enhanced ATD. It delivers full CAN performance in body control modules and gateway applications at up to 50 MHz bus frequency and operates across -40°C to 125°C.
For engineers reviewing the S912XEQ512BMAGR datasheet, S912XEQ512BMAGR pinout, S912XEQ512BMAGR application, or S912XEQ512BMAGR equivalent, key selection considerations include its 144-pin LQFP package, dual ATD converters (8/10/12-bit, 8-channel each), 4 CAN modules, 6 SCI interfaces, and MPU-enabled system integrity for ASIL-B–aligned automotive designs.
Technical Context
The S912XEQ512BMAGR implements a 16-bit CPU12X core with full MC9S12 instruction set compatibility (excluding five fuzzy instructions) and supports 16-bit wide zero-wait-state accesses to all peripherals and memories. Its XGATE co-processor runs at 100 MIPS, handles full CAN mailbox management independently of the CPU, and enables LIN master/slave operation via integrated SCI modules.
System integrity is enforced via an 8-region Memory Protection Unit (MPU), Flash ECC with 1-bit correction/2-bit detection, and dual-voltage-supply architecture separating I/O and internal regulator rails for optimized EMC filtering. The device includes a Frequency Modulated PLL (IPLL), real-time interrupt (RTI), periodic interrupt timer (PIT), and API timer with ±10% trimmable accuracy down to 0.2 ms resolution.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | CPU12X 16-bit core compatible with MC9S12 ISA (no MEM/WAV/REV instructions); enables legacy code reuse without recompilation. |
| Flash Memory | 512 KB with ECC (64 data + 8 syndrome bits); provides single-bit fault correction and double-bit fault detection for ASIL-B compliance. |
| RAM | 32 KB SRAM; supports fast context switching and XGATE/CPU data sharing without bus arbitration delays. |
| Max Bus Frequency | 50 MHz; determines real-time peripheral response latency and maximum instruction throughput in deterministic control loops. |
| XGATE Performance | 100 MIPS RISC co-processor; offloads CAN/LIN protocol stacks, ATD triggering, and PWM synchronization from main CPU. |
| Operating Temp | -40°C to 125°C; qualified for under-hood automotive environments including body control units and gateway ECUs. |
| CAN Modules | 4 independent MSCAN modules (CAN0, CAN1, CAN2, CAN4); supports multi-bus vehicle networks with hardware FIFOs and identifier filtering. |
| ADC | Two 8/10/12-bit ATD converters, 8 channels each; enables simultaneous sensor monitoring (e.g., temperature, voltage, position) with 3 µs 10-bit conversion time. |
Pinout & Package
Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch, case no 918-03). Pinout validated per MC9S12XE Data Sheet "Port Availability by Package Option" table for 144LQFP variant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDX | Power supply inputs | Dedicated rails for digital logic (VDD), analog circuitry (VDDA), and XGATE subsystem (VDDX); enable independent EMC filtering and noise isolation. |
| VSS, VSSA, VSSX | Ground returns | Separate ground paths prevent analog/digital/XGATE noise coupling; required for stable ATD and CAN signal integrity. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; initiates POR sequence and clears CPU/XGATE registers and MPU descriptors. |
| MODB, MODA | Mode selection inputs | Configure boot mode (e.g., Normal, BDM, Special Bootstrap); determine flash security state and vector table location at power-on. |
| XTAL, EXTAL | Crystal oscillator terminals | Support 4–16 MHz Pierce crystal; feed OSC_LCP module to generate base clock for IPLL and CRG subsystems. |
| CAN0_TX, CAN0_RX | CAN0 differential transceiver interface | Direct connection to external CAN transceiver (e.g., TJA1042); support CAN 2.0A/B frames up to 1 Mbps with loopback/self-test capability. |
| SCI0_TX, SCI0_RX | SCI0 UART interface | Full-duplex NRZ serial I/O; configurable for LIN physical layer (ISO 17987) with break detect and wake-up on active edge. |
| ATD0[0..7] | Analog input channels | Eight dedicated pins for first ATD converter; support multiplexed sampling of sensors (e.g., cabin temp, battery voltage, potentiometer). |
Key Features
| Feature | Design Value |
|---|---|
| Memory Protection Unit (MPU) | 8 programmable address regions with 8-byte granularity; enforces no-write/no-execute policies and triggers non-maskable interrupt on violation - critical for ISO 26262 ASIL-B partitioning. |
| Enhanced XGATE Co-processor | 100 MIPS RISC engine with dual interrupt levels; executes CAN mailbox servicing, LIN frame assembly, and ATD result processing without CPU intervention. |
| ECC-Protected Flash | 64-bit data + 8-bit syndrome encoding per word; corrects single-bit errors and detects double-bit faults during read/write - eliminates silent data corruption in safety-critical firmware. |
| Frequency-Modulated PLL (IPLL) | Internally filtered spread-spectrum clock generation; reduces peak EMI emissions by ±1% modulation, easing CISPR 25 Class 5 compliance in automotive harnesses. |
| Emulated EEPROM (EEE) | 4 KB D-Flash-based non-volatile storage with automated wear leveling; retains calibration data and configuration parameters across 100K+ erase cycles without host software overhead. |
| API Timer | Trimmable ±10% accuracy, 0.2 ms–13 s range; provides precise low-power wake-up in Full Stop mode for periodic diagnostics or sleep-mode scheduling. |
Applications
| Body Control Module (BCM) | Vehicle Gateway |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern passenger vehicles. IC Role / Device Role / Timing Role: Primary MCU managing PWM-driven power drivers, reading analog sensors (e.g., ambient light, temperature), and coordinating LIN slave nodes via integrated SCI modules. Use Value: XGATE offloads LIN protocol handling and ATD conversions, freeing CPU for real-time actuator control while MPU isolates safety-critical functions from user-space tasks. |
Use Scenario: Protocol translation and message routing between high-speed CAN-FD backbone and low-speed LIN subnets in distributed E/E architectures. IC Role / Device Role / Timing Role: Dual-CAN hub with four MSCAN modules and six SCI interfaces; routes diagnostic, infotainment, and chassis messages with hardware timestamping and priority-based buffering. Use Value: Full CAN capability enabled by XGATE allows >100 mailboxes and zero-latency message filtering - eliminating CPU bottlenecks during network congestion events. |
| Engine Bay Junction Box | Roof Module Controller |
Use Scenario: Power distribution and load monitoring in under-hood junction boxes with thermal derating and short-circuit protection. IC Role / Device Role / Timing Role: Real-time current sensing via ATD, PWM-controlled MOSFET gate drivers, and CAN-based fault reporting to central ECU. Use Value: 125°C operating range and ECC Flash ensure reliable operation near hot engine components; API timer enables periodic self-test without waking main CPU. |
Use Scenario: Integrated sunroof, panoramic roof, and interior lighting control with touch-sensor inputs and RGB LED dimming. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating capacitive touch, ambient light, and tilt data; drives 8-channel PWM for smooth LED fade transitions. Use Value: Dual ATD converters allow concurrent sampling of multiple analog sources; 152 I/O pins support direct connection to diverse sensors and drivers without external GPIO expanders. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XEP768MAL | 768 KB Flash, 48 KB RAM, 208-pin MAPBGA; adds third ATD converter and 8-channel TIM vs. S912XEQ512BMAGR's dual ATD and 4-channel TIM. | Targeted at higher-complexity gateways requiring >200 I/O and external memory expansion via non-multiplexed bus. | Select when needing larger code footprint, additional analog capture channels, or external SDRAM/Flash interfacing - not drop-in compatible due to package and pinout differences. |
| S912XDP512F0MLH | Same 512 KB Flash and 32 KB RAM, but 112-pin LQFP; lacks CAN2 and one SCI module; uses older S12XD core without MPU or ECC. | Suitable for cost-sensitive body modules where CAN count and ASIL-B features are not required. | Choose only for legacy S12XD migration paths where MPU/ECC are unnecessary; not functionally equivalent due to missing safety features and reduced peripheral count. |
Compared with MC9S12XEP768MAL and S912XDP512F0MLH, the S912XEQ512BMAGR uniquely balances ASIL-B–ready integrity (MPU+ECC), full CAN scalability via XGATE, and 144-pin LQFP manufacturability - making it optimal for mid-tier automotive controllers where safety, integration density, and production yield must coexist.
Availability
S912XEQ512BMAGR is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateways, junction box controllers, and roof module applications requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualification.
Supply support for S912XEQ512BMAGR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep heritage in automotive MCUs dating to Motorola and Freescale.
The S912XEQ512BMAGR belongs to the S12XE family - engineered specifically for automotive body electronics and gateway systems demanding enhanced system integrity, real-time determinism, and functional safety features like MPU and ECC.
FAQ
What is the maximum operating temperature range certified for the S912XEQ512BMAGR?
The S912XEQ512BMAGR is qualified for operation from -40°C to 125°C, meeting AEC-Q100 Grade 0 requirements for under-hood automotive applications. This rating is verified across all silicon revisions and applies to the full 144-pin LQFP package variant, ensuring reliability in high-temperature junction box and engine bay control environments where the S912XEQ512BMAGR is commonly deployed.
Does the S912XEQ512BMAGR support CAN FD or only classical CAN 2.0?
The S912XEQ512BMAGR supports only classical CAN 2.0A/B protocols - it implements the MSCAN module with bit rates up to 1 Mbps and standard/extended frame formats, but lacks CAN FD's flexible data-rate and extended payload capabilities. Its CAN functionality is fully enabled by the XGATE co-processor for mailbox management, but the S912XEQ512BMAGR does not include CAN FD controller hardware.
How many independent analog-to-digital converters does the S912XEQ512BMAGR integrate?
The S912XEQ512BMAGR integrates two independent ATD converters (ATD0 and ATD1), each supporting 8/10/12-bit resolution and up to 8 analog input channels. This dual-converter architecture allows concurrent sampling of different sensor groups - for example, ATD0 monitoring battery voltage and cabin temperature while ATD1 reads throttle position and ambient light - without resource contention in the S912XEQ512BMAGR.
Is the XGATE co-processor in the S912XEQ512BMAGR programmable in C language?
Yes, the XGATE co-processor in the S912XEQ512BMAGR is fully programmable in ANSI C using the CodeWarrior development suite. Its RISC instruction set is optimized for data movement, bit manipulation, and logic operations, and it runs at twice the bus frequency (100 MHz) of the main CPU - enabling efficient offloading of time-critical tasks like CAN message handling and ATD result processing in the S912XEQ512BMAGR.
What security features protect firmware stored in the S912XEQ512BMAGR's Flash memory?
The S912XEQ512BMAGR includes Flash security options that prevent unauthorized read-out or modification via background debug mode (BDM) or external programming tools. These features are controlled by option bits located in Flash memory and can be configured to lock the entire memory space or restrict access to specific sectors - providing tamper resistance for proprietary algorithms and calibration data stored in the S912XEQ512BMAGR.
S912XEQ512BMAGR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- HCS12X
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- HCS12X
- Core Size:
- 16-Bit
- Speed:
- 50MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IrDA, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 119
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.72V ~ 5.5V
- Data Converters:
- A/D 24x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S912XEQ512BMAGR FAQ
1.How can I place an order for S912XEQ512BMAGR through Aetrix?
Please submit a Request for Quotation (RFQ) for S912XEQ512BMAGR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for S912XEQ512BMAGR reliable?
The price and inventory of S912XEQ512BMAGR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S912XEQ512BMAGR is usually 5 days.
3.What payment methods are accepted for S912XEQ512BMAGR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S912XEQ512BMAGR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S912XEQ512BMAGR?
S912XEQ512BMAGR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S912XEQ512BMAGR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for S912XEQ512BMAGR?
For technical support, including S912XEQ512BMAGR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S912XEQ512BMAGR requirements.
6.How does Aetrix verify that S912XEQ512BMAGR is sourced from the original manufacturer or authorized distributors?
All S912XEQ512BMAGR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that S912XEQ512BMAGR meets industry standards.
7.What is the process for return or replacement of S912XEQ512BMAGR?
All S912XEQ512BMAGR units undergo pre-shipment inspection (PSI). If there is an issue with S912XEQ512BMAGR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The S912XEQ512BMAGR part is unused and in its original packaging.
Return procedure for S912XEQ512BMAGR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S912XEQ512BMAGR Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
